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https://issues.apache.org/jira/browse/HBASE-19187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anoop Sam John updated HBASE-19187:
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Release Note:
Removing the on heap Bucket cache feature.
The config "hbase.bucketcache.ioengine" no longer support the 'heap' value.
Its supported values now are 'offheap', 'file:<path>', 'files:<path>' and
'mmap:<path>'
> Remove option to create on heap bucket cache
> --------------------------------------------
>
> Key: HBASE-19187
> URL: https://issues.apache.org/jira/browse/HBASE-19187
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 2.0.0-alpha-3
> Reporter: Biju Nair
> Assignee: Anoop Sam John
> Priority: Minor
> Fix For: 2.1.0
>
> Attachments: HBASE-19187.patch, HBASE-19187_V2.patch
>
>
> Since we are moving read and write paths to use direct memory, option to
> configure on heap bucket cache is irrelevant. We should remove that option.
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